Which conclusion can be made about isotopes? (1 point) O Isotopes that are naturally occurring and unstable always exist in trace amounts

o Isotopes with more neutrons than protons are always unstable.

O Isotopes with the same number of neutrons as protons are always the most abundant.

O Isotopes that are naturally occurring in nature are always unstable

14. complete and balance the equations for the single displacement reactions. a. zn + pb(no3)2 -> b. al + niso4 -> 15. complete and balance the equations for the double displacement reactions. a. agno3(aq) + nacl(aq) -> b. mg(no3)2(aq) + koh(aq) -> 16. complete and balance the equations for the combustion reactions. a. __ ch4 + o2 -> b. __ c3h6 + o2 -> c. + o2 ->

How manyatoms of mercury are in 1.4214e+1 ml sample

What is the relation between concentration of reactants and the rate of chemical reaction?